3Com 3C10220 List the RJ45 input and output plugs per port, RJ-45 Input Plug per Port Switch Side

Page 23

Selecting the Correct Cables

23

Figure 7 Connecting Other Devices to the Power Source Unit

Switch/Hub

	1

RJ45	2

	3

	4

	5

6

7

8

RJ-IN

data
data		1
data
data		2
data
spare		3
spare
spare		4
spare
data		5
data
spare		6
spare
spare		7
spare
		8

RJ-OUT

1

2

3

4

5

6

7

8

	data	DTE/Splitter
	data
	data	1
	data
	data	2		RJ45

		3
		3

	DC +	4
	DC +
	data	5

		6
		6

	DC -	7

		8
		8

Table 4 and Table 5 list the RJ45 input and output plugs (per port)

Table 4 RJ-45 Input Plug (per Port): Switch Side

Pin #

Label

Description

1	TX +	Tx data signal to switch or hub
2	TX –	Tx data signal to switch or hub
3	RX +	Rx data signal from switch or hub
4	Spare	Unused
5	Spare	Unused
6	RX –	Rx data signal from switch or hub
7	Spare	Unused
8	Spare	Unused
9	Shield	Connector shielding

Table 5 RJ-45 Output Plug (per Port): DTE (NIC) Side

Pin #

1

2

3

4

5

6

7

8

9

	Label		Description
	P_RX +		Rx Data Signal from DTE

P_RX –		Rx Data Signal from DTE
P_TX +		Tx Data Signal to DTE
–24Vdc_return (+)		Feeding power (+)
–24Vdc_return (+)		Feeding power (+)
P_TX –		Tx Data Signal to DTE
–24Vdc (–)		Feeding power (–)
–24Vdc (–)		Feeding power (–)
Shield		Connector shielding

Image 23

Contents 3Com Ethernet Power Source Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Troubleshooting List conventions that are used throughout this guide About this GuideConventions Compliance DocumentationComments Year3Com Support About this Guide 3COM Ethernet Power Source Overview Fed through the unused pairs 7/8 and 4/5 Power source is designed for use with a standardOverview Front Panel Connections LEDs 2 Receive on pins 3LED Behavior 10/100BASE-TX Data and Power Output PortsTest LED Console Port Rear PanelSample topologies are shown in and Figure Guidelines for Network Configuration3COM Ethernet Power Source Overview Cabling Patch Panel Laptop with Wireless PCM Card 3COM Ethernet Power Source Overview Installing Ethernet Power Source END Devices Suitable Site Choosing aRepeat and for the other side of the EPS Rack-mountingStandard 19-inch equipment racks Unit, as shown in FigureInstalling the Ethernet Power Source and END Devices RJ-45 Output Plug per Port DTE NIC Side RJ-45 Input Plug per Port Switch SideList the RJ45 input and output plugs per port Data Power SplitterCable 3Com Wireless Ethernet Power SourceAccess Point Wiring Closet Patch Panel PremisesInstalling the Ethernet Power Source and END Devices Solving EPS TroubleshootingProblems Solving EPS Problems Solving EPS Problems Telephone To resolve the problemSolving NBX Business Telephone Problems Solving NBXSolving NBX Telephone Problems Solving Wireless Access Point Problems Wiring, hubs, and switches Troubleshooting Safety Information Connected to an earthed grounded outlet Important SafetyConnect it to an AC outlet power supply InformationSécurité Importante ’information deSécurité Importante France et Pérou uniquementHeitsinformationen Wichtige SicherAppendix a Safety Information PIN Assignments Technical Specifications for the Ethernet Power SourcePin Assignments Pin Number Signal Function3Com Corporation Limited Warranty Warranties Exclusive